Which of of the following is/are not central feature(s) of Article 343 of the Constitution of India?

[CDS II 2015] #polity

1. Hindi in Devanagari Script shall be the national language of the Union.

2. The official language of the Union shall be Hindi in Devanagari Script.

3. English language shall continue to be used for official purposes within States.

4. If two or more States agree, Hindi language should be the official language of communication between the States.

To all CAPF Aspirants🌟

✅Last date to fill the form for recruitment of 322 Assistant Commandants (AC) in the Central Armed Police Force (CAPF) including the BSF, CRPF, CISF, ITBP, SSB is May 16, 2023, up to 06:00 pm⚡️
✍🏻Modify Application Form: 17-23 May 2023
✍🏻Exam Date: August 6, 2023

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P31. Competition commission of india🌟
✅From December 1, all complaints related to GST profiteering will be dealt with by India's antitrust watchdog Competition Commission of India (CCI), in place of National Anti Profiteering Authority, a government notification said.

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Q. With reference to the Competition Commission of India, consider, the following statements:

1.It is a statutory body established under Competition Act, 2002 as amended by the Competition (Amendment) Act, 2007.
2. It consists of a chairperson and five members appointed by the Central Government.

Which of the above statements is/are correct?